1991 P30 454 intermittent surging, power loss
Hi everyone, I just bought this 91 Damon Challenger P30 454 TBI and it has this intermittent issue at slower speeds. It doesn't do it all the time. It idles fine, has trouble accelerating, power l...
Forum Discussion
I'd start with a new fuel filter. If that doesn't do it next up would be the fuel pump.
I'm not well versed on the vintage Chevy so it may have an in-tank pump with the filter attached.
If it does, I'd replace them both at the same time.
What you're describing is exactly what our '90 Ford chassis did and the above fixed ours. Adding a Banks kit didn't hurt either. We used the smaller kit, the one that kept the factory manifolds.
I'm not well versed on the vintage Chevy so it may have an in-tank pump with the filter attached.
If it does, I'd replace them both at the same time.
What you're describing is exactly what our '90 Ford chassis did and the above fixed ours. Adding a Banks kit didn't hurt either. We used the smaller kit, the one that kept the factory manifolds.
